Some of your crash reports weren’t sent to the Mozilla Servers. In the address bar, type '''about:crashes'''<enter>.''' Note:''' If any reports do not have '''BP''' in front of the numbers/letters, click it to submit them. '''The crash report is several pages of data.''' '''We need the report numbers to see the whole report.''' ------------------ Product Firefox Release Channel release Version 49.0.2 Build ID 20161019084923 OS Windows 10 OS Version 10.0.14393 Your System Details shows you are using Firefox 50.0 Did you do an upgrade? --------------- bp-b8d139ca-167b-43d4-b8f3-0a2722161029 Signature: PL_HashTableDestroy | SECOID_Shutdown DropboxExt.1.0.dll = Dropbox This is for Sumo's Related Bugs 721710 NEW --- Crash in PL_HashTableDestroy coming from ShutdownNSS ----------------- Please post the other crash reports.